Question

Prove that, two distinct cannot have more than one point in common.

Answer 1

Proof : Here we are given two lines l and m. We need to prove that they have only one point in common.
For the time being, let us suppose that the two lines intersect in two distinct points, say P and Q. So, you have two lines passing through two distinct points P and Q. But this assumption clashes with the axiom that only one line can pass through two distinct points. So, the assumption that we started with, that two lines can pass through two distinct points is wrong. So from this we can conclude that two distinct lines cannot have more than one point in common.


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Answer 2

Step-by-step explanation:

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